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{{#Wiki_filter:1Exhibit NWMI-005-R1Safety Panel1PresentationJanuary 23, 2018U.S. Nuclear Regulatory CommissionCommission Mandatory Hearing 2Exhibit NWMI-005-RRadioisotope Production Facility (RPF) Project Overview 3Exhibit NWMI-005-RRPF Principal Design CriteriaDesign based on applicable standards, guides, codes, and criteria and providesreasonable assurance that structures, systems, and components (SSC):Are built and function as designed and required per NWMI-2013-021, Construction Permit Application for Radioisotope Production Facility, ChapterProvide acceptable protection of public health and safety and the environment Protect against potential hydrological (water) and seismic damageDefense-in-depth design philosophy Applied from outset of facility design through completion of facility design/construction drawingsCertain systems and components are considered important-to-safety Perform safety functions during normal operations or are required to prevent or mitigate consequences of abnormal operational transients or accidentsSafety-related is applied to items relied on to remain functional during or following a design basis event to ensure that the items provide a safety-related function Technical specifications will be developed in the Operating License Application 4Exhibit NWMI-005-RSSC Safety-and Non-Safety Related DefinitionsSSCs are classified as safety-related and non-safety-related:Safety-relatedis a classification applied to items relied on to remain functional during or following a postulateddesign basiseventtoensure:Integrity of facility infrastructureCapability to shut down the RPF and maintain the facility in a safe shutdown conditionCapability to prevent or mitigate consequences of postulatedaccidents identified through accident analysesthat could result in potential off-site and worker exposures comparable to applicable guideline exposures set forth in 10 CFR 70.61(b), 10 CFR 70.61(c), and 10 CFR 70.61 (d) "Performance Requirements"Operation of RPF without undue risk to the health and safety of workers, the public, and environment for radiation doses and applicable limits for chemical exposuresSafety-related items relied on for safety (IROFS)SSCs identified through accident analyses as required to meet the performance requirements of 10 CFR 70.61(b), (c), and (d)Safety-relatedNon-IROFSSSCs that provide reasonable assurance that the RPF can be operated without undue risk to the health and safety of workers, the public, and environment, and includes SSCs to meet 10 CFR 20 normal release or exposure limitsNon-safety-relatedSSCs related to production and delivery of products or services that are not in the above safety classifications 5Exhibit NWMI-005-RQuality Levels Quality Level (QL) 1will implement the full measure of the NWMI Quality Assurance Program Plan (QAPP) and will be applied to safety-related SSC IROFS, including items in which failure or malfunction could directly or indirectly result in a condition that adversely affects workers, the public, and/or environment, as described in 10 CFR 70.61Items to prevent nuclear criticality accidents (e.g., preventive controls and measures to ensure that under normal and credible abnormal conditions, all nuclear processes are subcritical)Items credited to withstand credible design-bases external events (e.g., seismic, wind)Items to prevent degradation of structural integrity (e.g., failure or malfunction of facility)QL 2will be applied to non-QL 1 safety SSCsQAPP is important to acceptability and suitability of item or service to perform as specified (e.g., SSCs to meet 10CFR20 normal release or exposure limits, fire protection systems, safeguards and security systems, material control and accountability systems)QL 3will include non-safety-related quality activities that are deemed necessary to ensure manufacture and delivery of highly reliable products and services to meet or exceed customer expectations and requirements 6Exhibit NWMI-005-RSeismic Classification for SSCsSSCs identified as IROFS will be designed to satisfy general seismic criteria to withstand effects of natural phenomena without loss of capability to perform their safety functionsSeismic classification methodology used complies with ASCE 7, Chapter 11 (Seismic Design Criteria) and Regulatory Guide 1.29 (Seismic Design Classification)Demonstrates capability to function during and after vibratory ground-motion associated with safe-shutdown earthquake conditionsMethodology classifies SSCs into three categories:1.Seismic Category I (C-I): Applies to IROFS and those SSCs required to support shut down of the RPF and maintain the facility in a safe shutdown condition from both functionality and integrity perspective2.Seismic Category II (C-II): Applies to SSCs designed to prevent collapse under the safe-shutdown earthquake from an integrity perspectiveSSCs are classified as C-II to preclude structural failure during a safe-shutdown earthquake, or where interaction with C-I items could degrade the functioning of a safety-related SSC to an unacceptable level or could result in an incapacitating injury to occupants of the main control room3.Non-seismic (NS): NS SSCs are those that are not classified seismic C-I or C-II 7Exhibit NWMI-005-RSystem Safety/Seismic Classification/Quality Level SummarySystem Safety and Seismic Classification and Associated Quality Level GroupSystem name (code)Highest safety classificationSeismic classificationQuality level groupFacilitystructure (RPF)IROFSC-IQL-1Target fabrication (TF)IROFSC-IQL-1Target receipt and disassembly (TD)IROFSC-IQL-1Target dissolution (DS)IROFSC-IQL-1Mo recovery and purification (MR)IROFSC-IQL-1Uranium recovery and recycle (UR)IROFSC-IQL-1Waste handling (WH)IROFSC-IQL-1Criticality accident alarm (CA)IROFSC-IQL-1Radiation monitoring (RM)IROFSC-IQL-1Standby electrical power (SEP)IROFSC-IQL-1Normal electrical power (NEP)SRC-IQL-1Process vessel ventilation (PVV)IROFSC-IQL-1Facility ventilation (FV)cIROFSC-I/IIQL-1/2Fire protection (FP)SRC-IIQL-2Plant and instrument air (PA)NSRC-IIQL-2Emergency purge gas (PG)IROFSC-IQL-1Gas supply (GS)NSRC-IIQL-2Process chilled water (PCW)IROFSC-IQL-1Facility chilled water (FCW)NSRC-IIQL-2Facility heated water (HW)NSRC-IIQL-2Process steam IROFSC-IQL-1Demineralized water (DW)NSRC-IIQL-2Chemical supply (CS)IROFSC-IQL-1Biological shield (BS)IROFSC-IQL-1Facility process control (FPC)SRC-IIQL-2IROFS=items relied on for safety.NSR=non-safety related.RPF=Radioisotope Production Facility.SR=safety-related (not IROFS). | |||
8Exhibit NWMI-005-RQuestions? | |||
}} | }} |
Revision as of 14:18, 20 April 2018
ML18025B100 | |
Person / Time | |
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Site: | Northwest Medical Isotopes |
Issue date: | 01/16/2018 |
From: | Northwest Medical Isotopes |
To: | NRC/OGC |
SECY RAS | |
References | |
50-609-CP, Construction Permit Mndtry Hrg, RAS 54171 | |
Download: ML18025B100 (8) | |
Text
1Exhibit NWMI-005-R1Safety Panel1PresentationJanuary 23, 2018U.S. Nuclear Regulatory CommissionCommission Mandatory Hearing 2Exhibit NWMI-005-RRadioisotope Production Facility (RPF) Project Overview 3Exhibit NWMI-005-RRPF Principal Design CriteriaDesign based on applicable standards, guides, codes, and criteria and providesreasonable assurance that structures, systems, and components (SSC):Are built and function as designed and required per NWMI-2013-021, Construction Permit Application for Radioisotope Production Facility, ChapterProvide acceptable protection of public health and safety and the environment Protect against potential hydrological (water) and seismic damageDefense-in-depth design philosophy Applied from outset of facility design through completion of facility design/construction drawingsCertain systems and components are considered important-to-safety Perform safety functions during normal operations or are required to prevent or mitigate consequences of abnormal operational transients or accidentsSafety-related is applied to items relied on to remain functional during or following a design basis event to ensure that the items provide a safety-related function Technical specifications will be developed in the Operating License Application 4Exhibit NWMI-005-RSSC Safety-and Non-Safety Related DefinitionsSSCs are classified as safety-related and non-safety-related:Safety-relatedis a classification applied to items relied on to remain functional during or following a postulateddesign basiseventtoensure:Integrity of facility infrastructureCapability to shut down the RPF and maintain the facility in a safe shutdown conditionCapability to prevent or mitigate consequences of postulatedaccidents identified through accident analysesthat could result in potential off-site and worker exposures comparable to applicable guideline exposures set forth in 10 CFR 70.61(b), 10 CFR 70.61(c), and 10 CFR 70.61 (d) "Performance Requirements"Operation of RPF without undue risk to the health and safety of workers, the public, and environment for radiation doses and applicable limits for chemical exposuresSafety-related items relied on for safety (IROFS)SSCs identified through accident analyses as required to meet the performance requirements of 10 CFR 70.61(b), (c), and (d)Safety-relatedNon-IROFSSSCs that provide reasonable assurance that the RPF can be operated without undue risk to the health and safety of workers, the public, and environment, and includes SSCs to meet 10 CFR 20 normal release or exposure limitsNon-safety-relatedSSCs related to production and delivery of products or services that are not in the above safety classifications 5Exhibit NWMI-005-RQuality Levels Quality Level (QL) 1will implement the full measure of the NWMI Quality Assurance Program Plan (QAPP) and will be applied to safety-related SSC IROFS, including items in which failure or malfunction could directly or indirectly result in a condition that adversely affects workers, the public, and/or environment, as described in 10 CFR 70.61Items to prevent nuclear criticality accidents (e.g., preventive controls and measures to ensure that under normal and credible abnormal conditions, all nuclear processes are subcritical)Items credited to withstand credible design-bases external events (e.g., seismic, wind)Items to prevent degradation of structural integrity (e.g., failure or malfunction of facility)QL 2will be applied to non-QL 1 safety SSCsQAPP is important to acceptability and suitability of item or service to perform as specified (e.g., SSCs to meet 10CFR20 normal release or exposure limits, fire protection systems, safeguards and security systems, material control and accountability systems)QL 3will include non-safety-related quality activities that are deemed necessary to ensure manufacture and delivery of highly reliable products and services to meet or exceed customer expectations and requirements 6Exhibit NWMI-005-RSeismic Classification for SSCsSSCs identified as IROFS will be designed to satisfy general seismic criteria to withstand effects of natural phenomena without loss of capability to perform their safety functionsSeismic classification methodology used complies with ASCE 7, Chapter 11 (Seismic Design Criteria) and Regulatory Guide 1.29 (Seismic Design Classification)Demonstrates capability to function during and after vibratory ground-motion associated with safe-shutdown earthquake conditionsMethodology classifies SSCs into three categories:1.Seismic Category I (C-I): Applies to IROFS and those SSCs required to support shut down of the RPF and maintain the facility in a safe shutdown condition from both functionality and integrity perspective2.Seismic Category II (C-II): Applies to SSCs designed to prevent collapse under the safe-shutdown earthquake from an integrity perspectiveSSCs are classified as C-II to preclude structural failure during a safe-shutdown earthquake, or where interaction with C-I items could degrade the functioning of a safety-related SSC to an unacceptable level or could result in an incapacitating injury to occupants of the main control room3.Non-seismic (NS): NS SSCs are those that are not classified seismic C-I or C-II 7Exhibit NWMI-005-RSystem Safety/Seismic Classification/Quality Level SummarySystem Safety and Seismic Classification and Associated Quality Level GroupSystem name (code)Highest safety classificationSeismic classificationQuality level groupFacilitystructure (RPF)IROFSC-IQL-1Target fabrication (TF)IROFSC-IQL-1Target receipt and disassembly (TD)IROFSC-IQL-1Target dissolution (DS)IROFSC-IQL-1Mo recovery and purification (MR)IROFSC-IQL-1Uranium recovery and recycle (UR)IROFSC-IQL-1Waste handling (WH)IROFSC-IQL-1Criticality accident alarm (CA)IROFSC-IQL-1Radiation monitoring (RM)IROFSC-IQL-1Standby electrical power (SEP)IROFSC-IQL-1Normal electrical power (NEP)SRC-IQL-1Process vessel ventilation (PVV)IROFSC-IQL-1Facility ventilation (FV)cIROFSC-I/IIQL-1/2Fire protection (FP)SRC-IIQL-2Plant and instrument air (PA)NSRC-IIQL-2Emergency purge gas (PG)IROFSC-IQL-1Gas supply (GS)NSRC-IIQL-2Process chilled water (PCW)IROFSC-IQL-1Facility chilled water (FCW)NSRC-IIQL-2Facility heated water (HW)NSRC-IIQL-2Process steam IROFSC-IQL-1Demineralized water (DW)NSRC-IIQL-2Chemical supply (CS)IROFSC-IQL-1Biological shield (BS)IROFSC-IQL-1Facility process control (FPC)SRC-IIQL-2IROFS=items relied on for safety.NSR=non-safety related.RPF=Radioisotope Production Facility.SR=safety-related (not IROFS).
8Exhibit NWMI-005-RQuestions?